Integrated Screw Air Compression System for Laser Cutting

1. Continuously provides 20 bar (284 psi) of ultra-high compressed air.
2. Superior air quality control to protect your lens.
3. All-in-one design,user-friendly operation.
4. Integrated automatic drainage system.

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PM Variable Speed Screw Air Compressor

1. IE4 permanent magnet motor, energy saving up to 20%-40%.
2. Constant pressure air supply, stable operation.
3. Intelligent remote control.
4. Well-known bearings, long lifespan.

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Two Stage Screw Air Compressor

1. Higher air output at the same power consumption.
2. Optimized compression ratio, lower leakage.
3. Enlarged cooling system and efficient piping design.
4. Superior oil-air separation system.

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Dry Oil Free Screw Air Compressor

1. 100% oil-free compressed air.
2. Premium german advanced dry screw technology.
3. Newly engineered venturi tube muffle.
4. High-temperature operation,reduced TCO.

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Oil Free Water Lubricated Screw Air Compressor

1. Class 0 certified.
2. Water lubrication, environmentally friendly.
3. Optimal water-lubricated screw Air end.
4. Full stainless steel piping and housing.
5. Reduced consumables and lower maintenance costs.

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Oil Free Scroll Air Compressor

1. Fully oil-free.
2. Compact, lightweight, and ultra quiet.
3. Multi-airend models auto adjustment.
4. Minimal maintenance requirements.

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Oil-Free Compressor Designed for PET Bottle Blowing

1. 100% oil-free, designed to match PET bottle production needs.
2. Up to 40 bar(580 psi), with 24/7 continuous performance.
3. Perfect Integration of VFD and half-load modes.
4. Lower maintenance costs.

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Oil-Free Gas Booster Compressor

1. Medical grade oil-free compression, class 0 certified.
2. Heavy-duty design,with 24/7 continuous performance.
3. High outlet pressure up to 500bar.
4. Available for special gases such as oxygen, nitrogen, hydrogen, CNG, and more.

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PSA Nitrogen Oxygen Generator Compressor

1. Purity up to 95% for oxygen and 99.999% for nitrogen.
2. Skid mounted, split design or containerized.
3. Fully automatic, one-button start and stop, modular design.
4. High production efficiency and minimized costs.

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Refrigerated Air Dryer

1. Working pressure up to 40 bar.
2. Highly efficient aluminum alloy plate heat exchanger design.
3. Environmentally friendly refrigerant such as R134A, R410A, R407C.
4. Automatic control, dew point temperature display, automatic drainage.

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Pharmaceutical And Food Industry

Laser cutting equipment has extremely high requirements for the quality and stability of compressed air. The air compressor used for laser cutting directly affects the cutting quality and operating costs. As its core air source equipment, the screw air compressor must meet the requirements of high cleanliness (oil-free), pressure stability, and high air dryness.
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Textile And Air-Jet Loom Industry

The air compressor used in the textile industry must have stable air pressure, oil-free compressed air, avoid oil pollution of fabrics or yarns, and meet the requirements of 24-hour continuous operation, energy saving, high efficiency and low noise.
Common application industries include air jet loom weft insertion, spinning air flow conveying, dyeing and finishing equipment, etc.
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Biopharmaceutical Industry

The medical industry has extremely strict requirements on the quality of compressed air, and the selection of air compressors must meet medical safety standards and special application requirements. The selection of medical air compressors must meet the core certification standard ISO 8573-1 Class 0 (oil-free certification), with an oil content of ≤0.001mg/m³ (10 times higher than the industrial standard). Oil-free scroll machines/oil-free screw machines are the best choice.
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Diving Firefighting Industry

Breathing air compressors are used to provide high-purity, safe and reliable breathing air for divers, firefighters and other emergency rescue personnel. Their selection must meet strict international standards to ensure the safety of users. Breathing air compressors must meet EN 12021 (EU breathing air standard) and must be oil-free compressors to avoid the risk of oil contamination.
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PET Bottle Blowing Industry

In the PET bottle blowing industry, the air compressor is the core power equipment, which directly affects the quality of preform molding, production efficiency and energy consumption cost. The air compressor in the PET bottle blowing industry needs high cleanliness (oil-free), must reach ISO 8573-1 Class 0 (oil content ≤ 0.01mg/m³), high-pressure stable air supply, bottle blowing pressure usually requires 25-40bar, low-pressure delivery requires 6-10bar, and pressure fluctuations must be controlled within ±0.2bar, otherwise the bottle wall thickness will be uneven. Dry air to prevent condensed water from affecting mold temperature control, and large flow continuous air supply is required.
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Pharmaceutical And Food Industry
Textile And Air-Jet Loom Industry
Biopharmaceutical Industry
Diving Firefighting Industry
PET Bottle Blowing Industry

Who We Are

Founded in 2003, Shanghai Rocky Machinery Co., Ltd. brings over 20 years of expertise in the compression industry. We integrate production, trade, service, and R&D to position ourselves as an innovative leader delivering advanced solutions to our partners and customers worldwide.
As a source manufacturer, we operate a complete in-house system covering:
R&D and Engineering
Precision Manufacturing
Strict Quality Inspection

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High Pressure Screw Air Compressor company

Why Choose Us?

Rocky Mission：

To continuously enhance the value of our products and empower our employees

To consistently surpass the expectations of our partners and customers while adapting to their evolving needs

To reliably deliver efficient, innovative solutions and superior-quality products

Rocky Vision:
To be a globally recognized leader in high-quality, energy-efficient, and environmentally sustainable machinery

Rocky Core Values:
Committed to fostering sustainable, long-term growth
Guided by integrity, transparency, and trust
Dedicated to continuous learning and innovation

QUALITY ASSURANCE

We have earned internationally recognized certifications for quality
24H AFTER-SALES SERVICE
Our dedicated after sales team offers fast response and timely solutions. Whether it's technical guidance, troubleshooting, or spare parts assistance, we're always here to keep your equipment running smoothly and minimize downtime.
PROFESSIONAL
With over 10 skilled technical engineers and 18 years of export experience, we bring deep industry expertise and global market understanding to every project. Our team is committed to delivering reliable solutions, professional service, and long-term support for partners around the world.
OEM & ODM SERVICE
We provide flexible manufacturing solutions tailored to your brand and business needs

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Lastest News

January 29, 2026

Oil-Free Oxygen Booster: The Safe, Efficient, And Pure Solution for Oxygen Pressurization

In critical industries such as healthcare, manufacturing, aerospace, and water treatment, a stable and reliable supply of high-pressure oxygen is essential. The Oil-Free Oxygen Booster, as a breakthrough technology, is becoming the preferred solution for high-pressure oxygen applications thanks to i

January 15, 2026

Oil-Free Screw Blower: The Smart Choice for Clean, Reliable & Energy-Efficient Air Supply

Why Choose Oil-Free Screw Blower Technology?Unlike traditional blowers that rely on lubricants in the compression chamber, oil-free screw blowers ensure absolutely clean air output. This is vital for industries such as wastewater treatment, food and beverage, pharmaceuticals, and electronics, where

December 25, 2025

What Are The Different Types of Screw Air Compressors?

Screw air compressors have become a cornerstone in various industrial applications due to their efficiency and reliability. Understanding the different types of screw air compressors is crucial for selecting the right equipment for specific needs.

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